Patents by Inventor Therese A. Pastrick

Therese A. Pastrick has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Catalyst component and system
    Patent number: 6395669
    Abstract: A catalyst component formed by the steps of contacting a transition metal-containing metallocene of a transition metal of Group 4, 5 or 6 of the Periodic Table of the Elements with silica or an organic support. This product is contacted with an organomagnesium compound or complex followed by contact with an alcohol and a silane. Finally, the so-contacted product is contacted with a Group 4, 5 or. 6 transition metal-containing non-metallocene compound. The component is preferably combined with an aluminum-containing cocatalyst to form a catalyst system.
    Type: Grant
    Filed: July 27, 2000
    Date of Patent: May 28, 2002
    Assignee: Equistar Chemicals, LP
    Inventors: William J. Sartain, Patricia A. Hooks, Keta M. Lindstrom, Stella L. Ellis, Douglas D. Klendworth, Albert P. Masino, Richard W. Fries, Therese A. Pastrick